This chapter covers basic reference material on how to write programs in PL/SQL and their examples. PL/SQL allows dependencies between commands within the same block of code. It also allows for parameter passing
Using SQL*PlusSQL*Plus is a command-line tool that provides access to the Oracle RDBMS.SQL*Plus enables you to:Enter SQL*Plus commands to configure the SQL*Plus environment Startup and shutdown an Oracle database Connect to an Oracle database Enter and execute SQL commands and PL/SQL ...
0 - This is a modal window. No compatible source was found for this media. PL/SQL Program Units A PL/SQL unit is any one of the following − PL/SQL block Function Package Package body Procedure Trigger Type Type body Each of these units will be discussed in the following chapters. ...
There are some SQL commands that does not return rows, for example, INSERT without a RETURNING clause, you can execute the command within a PL/pgSQL function. The variable name appearing in the command text is treated as a parameter and the current value of the variable is treated as the ...
You’re through the basics of SQL! This is a great place to stop and get more practice on what you’ve learned so far. Here we’ve constructed a list of challenges to give you that practice. Take some time to go through these before moving on to the Mid-Level SQL section....
Note: The STRICT option matches the behavior of Oracle PL/SQL's SELECT INTO and related statements. To handle cases where you need to process multiple result rows from a SQL query, see Section 40.6.4. 40.5.4. Executing Dynamic Commands Oftentimes you will want to generate dynamic commands...
With--softoption, reset moves the head to a specific commit but keep the changes staged. With--hardoption, reset permanently discards all the changes after a specific commit. git reset<commit> The above mentioned commands cover the essentials for most day-to-day Git tasks. ...
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38_PL SQL_1(38_PL_SQL_1) 08分 58秒 高清 下载 39_PL SQL_2(39_PL_SQL_2) 04分 43秒 高清 下载 40_PL SQL_3(40_PL_SQL_3) 11分 25秒 高清 下载 41_PL SQL_4(41_PL_SQL_4) 04分 46秒 高清 下载 42_PL SQL_3(42_PL_SQL_3) 05分 09秒 高清 下载 43_PL SQL_5(43_...
38_PL SQL_1(38_PL_SQL_1) 08分 58秒 高清 下载 39_PL SQL_2(39_PL_SQL_2) 04分 43秒 高清 下载 40_PL SQL_3(40_PL_SQL_3) 11分 25秒 高清 下载 41_PL SQL_4(41_PL_SQL_4) 04分 46秒 高清 下载 42_PL SQL_3(42_PL_SQL_3) 05分 09秒 高清 下载 43_PL SQL_5(43_...